420 chain vs 428 - Finding the right fit for your ride

If you're staring at a worn-out sprocket and trying to settle the 420 chain vs 428 debate, you're likely working on a pit bike, a small-displacement motorcycle, or maybe a high-performance go-kart. It's one of those classic garage dilemmas: do you stick with the lightweight setup that came from the factory, or do you "upgrade" to something beefier? At first glance, these two chains look almost identical, but once you start measuring or—more importantly—riding, the differences become pretty obvious. ...

March 2, 2026 · 7 min · Santa Trina